Prophet Hud - 11:108 And those who deserve happiness will abide in Paradise as long as the heavens and the earth endure. Except if your Lord wills. This is an uninterrupted reward.
Who deserves the happiness of the Hereafter?
The Cow/2:2 Surely this is a guiding Book for the righteous.
The Cow/2:3 Those who believe in what they cannot perceive with their senses, and observe the prayer (salat), and give to the needy out of what We have provided for them.
The Cow/2:4 They believe in what has been sent down to you and what was sent down before you. And they have no doubt about the Hereafter.
The Cow/2:5 These are they who are guided by their Lord and attain happiness.

The Family Of Imran/3:15 "Say: "Shall I inform you of something better than that? For the righteous there are gardens with their Lord beneath which rivers flow, gardens in which they will abide forever, immaculate wives, and happiness because they have won the approval of Allah."Allah sees the servants."

Prophet Jonah/10:63 Those who believed and acted righteously.
Prophet Jonah/10:64 For them is happiness in the life of this world and in the Hereafter. Allah´s words (His promise) do not change. That is the greatest victory.

The Cave/18:107 As for those who believed and did righteous deeds, they deserve Gardens full of joy and happiness as a station.

Ta-Ha/20:130 Be steadfast in your words, and glorify your Lord before the rising and setting of the sun. Remember at night and at both ends of the day so that you may be happy.

The Criterion/25:74 "They say: "Our Lord, make our wives and children a source of happiness for us, and make us of the righteous who lead the way"."
The Criterion/25:75 These will be rewarded for their patience with the chambers of Paradise, where they will have a happy life and peace.

The Prostration/32:15 Those who truly believe in Our signs and miracles, when they hear them, they prostrate themselves and glorify their Lord without arrogance.
The Prostration/32:16 They get up from their beds and call upon their Lord in fear and hope. And they give out of what We have given them.
The Prostration/32:17 No one knows what joy and happiness awaits them as a reward for what they did.

The Scatterers/51:15 The righteous are in the heavens, at the fountains.
The Scatterers/51:16 They will receive what their Lord has given them. Because they used to behave well before that.
The Scatterers/51:17 They used to sleep little at night.
The Scatterers/51:18 They used to ask for forgiveness in the Hour.
The Scatterers/51:19 There was a portion in their money for the needy and the poor.

The Sure Truth/69:19 "He who is given the Book on his right hand will say, "Take, read My Book."
The Sure Truth/69:20 I believed that I would meet my reckoning.

The City/90:14 To feed in times of famine:
The City/90:17 Moreover, to be of the believers who exhort one another to patience and love.

The Night/92:18 He who cleanses himself by giving his wealth;
The Night/92:19 He does not expect any favor from anyone in return.
The Night/92:20 He seeks only the pleasure of his Lord, the Most High.